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Friedrich MW09Y3FM Defrost Sensor Board
The defrost control board will determine when to initiate the defrost sequence which helps to get rid of the frost that collects on the outdoor unit. The defrost board looks to a specific sensor located in the outdoor unit to decide when the defrost cycle should begin.
Major warnings your defrost board is in dire straights
- Defrost mode does not run despite the fact that there is quite a bit frost that needs to be removed
- The HVAC system control board may signify an error number when the defrost control board refuses to initialize properly
- AC and heating system could not operate for the simple fact of frost blocking the fins on the outside unit
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If you are going to be buying or ordering a replacement defrost sensor board for your Friedrich MW09Y3FM, do your due diligence and double check the correct model and also make a visual comparison in order to be sure the correct defrost sensor board is the one being purchased. Replacing the defrost sensor board can be quite easy assuming you have the know-how and have the proper tools to do it right.
Feel free to download your manual for help.
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